501 | Frangula alnus |
502 | Festuca arundinacea |
503 | Lampetra |
504 | Spiraea salicifolia |
505 | Silene |
506 | Hippocrepis |
507 | Cladophora |
508 | Ceratium |
509 | Alopecurus |
510 | Isolepis |
511 | Bolboschoenus maritimus |
512 | Agrostis |
513 | Potamogeton x nitens |
514 | Eriocaulon aquaticum |
515 | Juncus subnodulosus |
516 | Campanula rotundifolia |
517 | Isoetes echinospora |
518 | Cichlidae |
519 | Gasterosteidae |
520 | Thalictrum flavum |
521 | Osmeridae |
522 | Luzula |
523 | Lathraea squamaria |
524 | Whitacre-Shustoke Reservoir improvements. The sedimentary phosphorus content on the Lower Shustoke Reservoir |
525 | Cornus sanguinea |